Tuesday, December 20, 2011

Disc Brake 101 & Disc Brake Bed In Procedure

Things you should know about disc brakes.


* Do not squeeze hydraulic brake levers while

the wheel / rotor is not in the bike.

Doing so may result in having to have your

pistons inside the brake caliper reset.

This may include re-bleeding the brake

system.


* Disc brakes make some noise. There is only

a millimeter or so spacing on each side of the

brake caliper. During your ride, as the wheel

flexes the rotor will contact the brake pad

and make a zinging noise. Other noises, such

as squealing may be dirty rotors,

contaminated pads, or damaged rotors.

If you are unsure, please feel free to ask our

service department for help.


* Do not use spray lubricants on your chain.

The over spray may land on your rotors and

contaminate your brake system. Only use

isopropyl alcohol to clean your rotors.


* NOTE: While disc brakes work wonderfully

even in extreme conditions, it's still important

to keep them in tip-top shape. Different

types of discs may require specific

maintenance not covered here.


Disc brake pad & rotor bed in procedure


All new brake pads and rotors should be put through

a wear-in process called ‘bed-in’. The bed-in procedure,

which should be performed prior to your first ride,

ensures the most consistent and powerful braking

feel, along with the quietest braking in most riding

conditions. The bed-in process heats up the brake

pads and rotors, which deposits an even layer of

brake pad material (transfer layer) to the braking

surface of the rotor. It is this transfer layer that

optimizes braking performance.

Warning!

The bed-in process requires you to perform heavy

braking. You must be familiar with the power and

operation of disc brakes. Braking heavily when not

familiar with the power and operation of disc brakes

could cause you to lose control of your bicycle. This

could lead to a crash, serious injury, and even death.


If you are unfamiliar with the power and operation

of disc brakes, you should have the bed-in process

performed by a qualified bicycle mechanic.

Important!

Do not lock up the wheels at any point during the

bed-in procedure


To safely achieve optimal results, remain seated on

the bike during the entire bed-in procedure.


1. Accelerate the bicycle to a moderate speed, then

firmly apply the brakes until you are at walking

speed. Repeat approximately twenty times.


2. Accelerate the bike to a faster speed. Then very

firmly apply the brakes until you are at walking

speed. Repeat approximately ten times.



Important!
 
3. Allow the brakes to cool prior to any additional riding.

For more information on disc brakes. Check out our website.

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